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Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?SectionADoyouknowhowthesekindsofpollutionaffectourenvironment?Whatshouldwed

otoimproveourenvironment?Whatdotheymean?Areyouagreenerperson?WhichdayistheWorldEnvironmentDay?Canyousortthe

garbage?Whatcanwedoathometoprotecttheenvironment?Weshouldreducethewasteweproduce.Forexample,weshouldusebothsidesofpaperandreusep

lasticbags.Listento1aagainandanswerthequestions.(1)Whoisworkingforanorganizationthatprotectstheenvironment?Jane.(2)What’shermainjob?Hermain

jobistohelpspreadthemessageaboutprotectingtheenvironment.(3)Shouldweusebothsidesofpaper?Yes,weshould.(4)Whyistherecycling

useful?Itcanprotecttheenvironment,anditcansavemoney,too.1bListento1aandcompletethetable.AninterviewwithJanewhereJaneworksinan___

_____________to______________________whatJaneisdoinghelping________________aboutprotectingtheenvironmentwhatwecandoathome_____________

___weproducewhatstudentscandoatschoolcollect__________andsoftdrinkcansorganizationprotecttheenvironmen

tspreadthemessagereducethewastewastepaperKeywords1.workforanorganization2.helpspreadthemessage3.thethreeR’s---reduce,reuseandrecycle4

.reducethewaste5.reuseplasticbags6.recycle7.encouragesb.todosth.8.sortRetellit1cRead1aandcompletethesentences.1.ThethreeR’s---______,______

and_______---areimportant.2.Athome,wecan,forexample,useboth______ofpaperandreuse_____bags.3.Atschool,studentsareencouragedto___

__wastepaperand______________becauserecyclingcanprotectthe____________and_______money.4.Thenwe_______

them______theycanberecycled.reducereuserecyclesidesplasticcollectsoftdrinkcansenvironmentsavesortsothat•(1

)Weshoulduseplasticbagsasfewaspossible.•(2)Weshouldthrowthegarbageintheriver.•(3)Weshouldreducethewasteweproduce.•(4)Weshouldusebothsidesofpaper.•(5)

Weshouldthrowtheplasticbagsratherthanreusethem.Youcannodorshakethehead!Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.v.点头n.同意•(1)Youn

odyourheadanditmeansagreement.•(2)Hurryup,oryou’llmissthetrain.•(3)Waterisimportantbutsomepeopledon’tsaveit.•(4)Somepeopleprotectanima

lswhileotherskillanimals.并列句连词or,and,but和while的用法①表示并列关系，用and…②表转折，用but,while…③表选择，用or…2Combinethesentencesw

ithor,and,butorwhile,makingsomechangesifnecessary.•1.Noiseisakindofpollution.It’sharmfultoourhearing.N

oiseisakindofpollutionandit’sharmfultoourhearing.•2.Workhard.Youwillfailtheexam.Workhard,oryouwillfailtheexam.•3.Noddingtheheadmeansagreement.S

hakingtheheadmeansdisagreement.Noddingtheheadmeansagreementwhile/butshakingtheheadmeansdisagreement.•4.Hurryup.Youwillmiss

thebus.Hurryup,oryouwillmissthebus.•5.Hehasfailedseveraltimes.Henevergivesup.Hehasfailedseveraltimes,buthenevergivesup.放弃3

aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.papercupsglassbottlescansplasticbagsnewsp

apers3aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.TypeofgarbageRecycledReu

sedReducedplasticbagspapercupscansnewspapersglassbottles√√√√√3bListentotheconversationandcheckyouran

swersin3a.Wow!We’vegotsomuchgarbage!Softdrinkcans,lunchboxes,plasticbottles,batteries,wastepaper,paperbagsandcups,…4SupposeyouwillhaveaClean-

upDay.Workingroupsandfindoutthegarbage.Thensortthembasedon3aandtalkaboutthem.A:Ithinklunchboxesshouldbereus

ed.B:Whataboutwastepaper?A:Ithink…Welearn:1.Somewords:nod,agreement2.Somephrases：giveup3.Somesentences:(1)Weshouldreducethewas

teweproduce.(2)Recyclingcanprotecttheenvironment,anditcansavemoney,too.Wecan:1.Usethecompoundsentenceswithor,and,bu

tandwhile.2.Talkaboutenvironmentalprotection.•Read1a.•Memorizetheusefulexpressionsandkeysentenceswhichwelea

rntoday.•FinishSectionAinyourworkbook.•PreviewSectionB.